yes you can remove books from the kindle, I found that reading the User guide helps alot ,I v had mine for a year and just now starting reading though it boy Iv learned alot, your Kindle will hold almost 3000 books right now I have over 127 books,
I love my Kindle and you can get color now but its the most expsenive one (I haven't checked it out I just heard that) I did a review and the Nook,Kindle were almost neck to neck 5 star, I like the Kindle because you can read it outside with sunshine and no glare, I have the cheaper one at the time was 149.00 now its 114.00